Chemistry

Fischer-Tropsch: From Waste to Fuel

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In this episode of Innovate and React, Theresa Köffler from BEST – Bioenergy and Sustainable Technologies in Vienna is talking about how to turn waste into fuel. We explore the fascinating role of Fischer-Tropsch synthesis for producing sustainable fuels. From the development of demonstration plants to the integration of syngas from biogenic feedstocks, Theresa shares insights into the future of sustainable aviation fuel (SAF) and decentralized energy systems. The episode covers both the technical challenges and the broader implications for climate-friendly energy independence.

Green Methanol: Old Chemistry Meets New Energy

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In this episode we discuss the critical role of methanol synthesis and hydrogen energy carriers in the energy transition. Florian, a scientific advisor at Fraunhofer ISE, explains his work in sustainable synthesis processes and the significance of hydrogen as a renewable energy source. We delve into the technical challenges of methanol synthesis using CO2 and hydrogen, the importance of dynamic operation and the purity of the syngas feedstock. Florian also highlights the strategic advantages of utilizing green methanol and advanced synthesis processes for industrial applications and future energy systems, as well as the potential for power-to-X technologies.

Unlocking the Potential of Hydrogen in a Renewable Energy Future

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This episode is a dive into the dynamic world of hydrogen and its pivotal role in the future of clean energy. Key topics covered include the challenges of intermittent renewable energy sources, the mechanics and benefits of hydrogen as an energy carrier, the hurdles in hydrogen production and infrastructure, and the promise of converting hydrogen into transportable compounds like ammonia and methanol. The episode also explores the potential for hydrogen to revolutionize various industries and offer energy independence.

Mitochondrial Biogenesis – How mitochondria get their spare parts

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In this episode of Innovate and React we look at the interface between biology and chemistry. Alexandra, a biochemist studying mitochondrial biogenesis, shares her journey from moving to Germany, and ultimately diving into biochemistry. The conversation delves into the complex processes of mitochondrial function, including their role in energy production, calcium signaling, and apoptosis (programmed cell death). Alexandra discusses her current research on the ER SURF pathway and its implications for understanding protein transport, which could potentially lead to breakthroughs in treating diseases like cancer and Parkinson’s. The episode emphasizes the interconnectedness of chemistry and biology and the importance of fundamental research in advancing scientific knowledge.

Is doing a PhD in worth it? From Brown Sludge to Breakthroughs

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Are you thinking about pursuing a PhD in chemistry and have wondered if its with the struggle? In this episode of ‘Innovate and React’, we discuss the personal and professional journey of pursuing a PhD and share our motivations for studying chemistry. We discuss the challenges and surprises encountered during our PhD journey, and the important skills we developed through teaching and research. Every journey is different and depends on many different things. We give a glimpse into our experience with doing a PhD in chemistry and how it can be worth it.

Challenging HSAB: Reactive Molecules and Nucleophiles

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In this episode of Innovate and React, I am talking with Justus Reitz, a chemist from TU Dortmund University, about the limitations of the HSAB (Hard and Soft Acids and Bases) concept in predicting reaction outcomes. We explore an alternative approach using the nucleophilicity scale developed by the Mayr group, which offers a more accurate prediction method. Justus shares insights from his PhD research on stabilizing highly reactive molecules, particularly the synthesis and stabilization of diazoalkenes. We discuss how the Mayr nucleophilicity scale can facilitate understanding and controlling chemical reactions, bridging the gap between theoretical concepts and practical applications.
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Beyond Gold: Exploring Acid-Promoted Cyclization in Organic Chemistry

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How can we make pharmaceutical synthesis greener and more efficient? In this episode of Innovate and React, we dive into the world of organic chemistry with Dr. Nikolas Jankowski to explore an alternative to gold catalysis. While gold catalysts are known for their high selectivity and efficiency, their cost, environmental impact, and challenges in industrial applications call for new solutions.
Nick shares his research on acid-promoted cyclization using hexafluoroisopropanol (HFIP) as a unique solvent, mimicking some of the effects of metal catalysts. We discuss the breakthroughs that led to a more efficient synthesis of oxazoles, molecules with promising pharmaceutical applications.
Tune in as we uncover the intersection of fundamental research, reaction optimization, and the future of sustainable chemistry.

How ion-exchange resins can make a reaction more sustainable

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This episode provided a deep dive into how ion exchange resins could revolutionize aldol reactions, making them greener and more sustainable. While traditional catalysts like sodium hydroxide are cheap, their environmental and economic drawbacks make alternative solutions necessary. Ion exchange resins, particularly those with improved linker stability, show promise, though challenges like clogging must be addressed before industrial adoption.

The discussion underscored the broader importance of catalysis in chemical research and industry, particularly in reducing waste, energy consumption, and process costs. As research progresses, these insights could lead to more efficient and sustainable chemical production methods, aligning with the goals of green chemistry. En example is the aldol reaction, an essential process in the chemical industry for producing pseudo-ionone, a precursor for vitamin A. This reaction was used as the model reaction, to investigate the ion-exchange resins as possible heterogeneous catalysts.

New methods for healing bone fractures

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The development of bone adhesives represents an exciting advancement at the intersection of material science and medicine. Traditional fracture treatments rely on metal implants such as screws and plates, which, while effective, come with drawbacks like high costs, the need for secondary surgeries, and potential long-term complications. Bone adhesives offer a promising alternative by providing a biodegradable solution that bonds bone fragments together while gradually being replaced by natural bone tissue. This could significantly reduce the overall cost and invasiveness of fracture treatments, improving patient recovery and outcomes.

Despite this potential, significant challenges remain. A major hurdle is finding the right balance between adhesive strength and biocompatibility. Many strong adhesives, such as cyanoacrylates, are bioinert and do not integrate with bone, while biodegradable materials often lack the necessary mechanical stability. Research has explored various approaches, including modifying calcium phosphate nanoparticles with catechol groups inspired by mussels or using peptide-based bonding agents. However, these methods have faced issues such as instability, insufficient fracture stabilization, or prohibitively high costs. Future advancements may come from further optimizing hydrogel-based adhesives and developing better cross-linking techniques to enhance durability while maintaining biocompatibility.

Looking ahead, bone adhesives could first see practical applications in dentistry, where they can be used for procedures that require strong, biocompatible bonding without the complexity of bone remodeling. If successful, these adhesives could eventually replace traditional metal implants in orthopedic surgery, particularly for fractures in non-load-bearing bones. However, further research and clinical trials are needed to refine these materials and confirm their long-term effectiveness. With continued progress, bone adhesives have the potential to revolutionize fracture treatment, making it more efficient, cost-effective, and patient-friendly.

Innovate and react Introduction

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This Episode give a short introduction into the future content of the podcast.

For more informations visit www.innovateandreact.com, where you will find all episode and additional content for each episode.

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